There are few things that running share in common with the game of golf.  But one of them is the mind-boggling array of gadgets, gizmos, aids and equipment developments that are designed and sold with the promise of helping you improve your performance.  Of course, the thing that sells best of all in golf is length.  Anything, with even the flimsiest scientific data to back it up, that suggests that the golfer might hit the ball a bit further than before, and they’ll be reaching for their wallet quicker than Tiger Woods in a Las Vegas casino.

And so it is with running. As Adidas launches its latest shoe, expensively promoted with the promise that it has a new type of cushioning with more “bounce” which in turn gives you more energy, which in turn makes you run further.  Or faster.  Or whatever.

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